Full game metadata
| Field | Value |
|---|---|
| Steam app type | game |
| Steam App ID | 3380310 |
| Live current players | 0 |
| SteamPulse tracked peak | 2 |
| Live count (today's peak floor) | 0 |
| Price | $2.99 |
| Free to play | No |
| Discount | 0% |
| Original price USD | $2.99 |
| Current price USD | $2.99 |
| Release date | Jul 17, 2025 |
| Developer | ZeroBitCode |
| Publisher | ZeroBitCode |
| Owners estimated | Not available |
| SteamSpy owner estimate minimum | Not available |
| SteamSpy owner estimate maximum | Not available |
| Review type | Mostly Positive |
| Positive review percent | 75% |
| Positive reviews | 12 |
| Negative reviews | 4 |
| Total reviews | 16 |
| Steam recommendations | Not available |
| Achievements | 12 |
| Average playtime forever | Not available |
| Windows support | Yes |
| macOS support | Yes |
| Linux support | Yes |
| Parent game | Not available |
| Store URL | https://store.steampowered.com/app/3380310/ |
Short description
Regular Expressions (Regex) are a powerful text pattern-matching tool used for searching, replacing, and validating strings. The game wraps Regex into text-based puzzle, allowing players to gradually master regular expressions as they progress through levels.
About this game
Core Gameplay Regular Expressions - an essential skill for programmers - become your puzzle-solving tool. Starting with basic number matching, each level introduces new Regex rules with gradually increasing complexity. 30+ Meticulously Designed Levels covering fundamental Regex concepts through: Accessible Design: 95% of the levels require no coding experience to pass perfectly. Players who can program can use their abilities to reduce the difficulty of the red level. Brain Teasers: Regex-themed mini-games between chapters to consolidate skills. The subtle pace of the challenge helps to alleviate the frustration of a failed challenge. Wooden Fish: Tapping the wooden fish increases the accuracy rate Regular Spelling of Words: Move characters to spell words Regular Ninja: Eliminate words that match a given regular expression Password Hint: Write a password that meets all the requirements for regular expressions Regex VS String First Challenge Example Real-world Scenario: Identify email addresses in text: Regex Tips: \d matches digits + indicates "one or more" of preceding element ~ o( *￣▽￣* )o That's right! Solution: "Congratulations! You've cleared the toughest level in Chapter 2!" (Quick Flip Book) Web Crawling Simulation Chapter 4 Challenge: Extract HTML links from tags: <a id="policy_DeleteAccount" href="/WizenedDream/DeleteAccount.html"></a> So smart! Advanced Solution: <a[^>] *?href\s* =\s*[\"\']?(?<URL>[^\"\']+)[\"\']?[^>]*?> ( ˘•ω•˘ ) What? Not yet? Keep playing! The early levels will systematically build your skills to conquer advanced challenges. (Players who can solve this problem should have studied regular expressions. The first 3 chapters are mainly for beginners, so please skip the level on your own according to your ability.) Difficulty System Green Time: 1-2 min Goal: Learn individual Regex symbols Blue Time: 3-5 min Goal: Combine 3 symbols or fewer Purple Time: 5-20 min Goal: Solve real-world problems Red Time: 30+ min Goal: Tackle complex pattern analysis Chapters 1-3: Green /Blue levels Chapter 4+: Purple /Red challenges AI assistance recommended for stuck moments. ~~Red levels: Where "simple" means 2 hour…
Supported languages
English, French, German, Spanish - Spain, Russian, Turkish, Japanese, Simplified Chinese, Traditional Chinese, Dutch, Portuguese - Portugal, Korean, Polish